linux-kernel - Re: [PATCH] hv/hv_kvp_daemon: Add support for keyfile config based connection profile in NM

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Message-ID: <20230307052408.GA11548@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Date:   Mon, 6 Mar 2023 21:24:08 -0800
From:   Shradha Gupta <shradhagupta@...ux.microsoft.com>
To:     Wei Liu <wei.liu@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org
Subject: Re: [PATCH] hv/hv_kvp_daemon: Add support for keyfile config based
 connection profile in NM

On Mon, Mar 06, 2023 at 03:40:54PM +0000, Wei Liu wrote:
> On Wed, Feb 22, 2023 at 10:22:14PM -0800, Shradha Gupta wrote:
> > As communicated in BZ <2122115>, ifcfg config file support in
> 
> What is BZ <2122115>? I guess that's Red Hat's bugzilla?
> 
> I don't think this is useful information for the commit message, since
> the community cannot access that ticket.
Thanks for the pointer, will change this
> 
> > NetworkManger is deprecated. This patch provides support for the
> > new keyfile config format for connection profiles in NetworkManager.
> > The patch modifies the hv_kvp_daemon code to generate the new network
> > configuration in keyfile format(.ini-style format) instead of ifcfg
> > format.
> 
> Okay, so the wire protocol for the KVP daemon is not changed. It is just
> the intermediate file format that's changed.
> 
That is correct.
> > This configuration is stored in a temp file which is further translated
> > using the hv_set_ifconfig.sh script. This script is implemented by
> > individual distros based on the network management commands supported.
> > For example, RHEL's implementation could be found here:
> > https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
> > Debian's implementation could be found here:
> > https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
> > 
> > The next part of this support is to inform the Distro vendors to
> > modify these implementations to consume the new configuration format.
> > 
> 
> I guess they will figure out the format has changed when they upgrade to
> a new kernel?
Yeah, so whenever they decide to use the latest kernel, they would have to change
their implementation to consume these changes.
> 
> Thanks,
> Wei.